CN205620992U - Multifunctional parallel data acquisition device - Google Patents

Abstract

The utility model discloses a multifunctional parallel data acquisition device, which relates to data acquisition devices in special operation fields such as granaries, cellars, methane pools, and urban sewers. The device takes a control unit as the core and is equipped with a touch display connected with the control unit Screen circuit, storage unit, system clock circuit, button circuit, power management circuit, temperature, humidity sensor circuit and communication circuit; method, which reduces the deviation generated in the data transmission process and improves the reliability of the system. At the same time, the device integrates data display, storage and viewing, and has rich functions; It is wider, has the advantages of high versatility, low power consumption, simple operation, and low price. It can be adapted to various complex data collection sites and has certain practical value.

Description

A Multifunctional Parallel Data Acquisition Device

technical field

The utility model relates to a data acquisition device in special operation fields such as granaries, cellars, methane pools, and urban sewers, in particular to a multifunctional parallel data acquisition device.

Background technique

In the development of modern industry and agriculture, there are some special operating areas that require data collection. There may be more toxic gases in these fields, which may already exist in the space or may be generated during the work process. The accumulated harmful gases are common carbon monoxide, methane, biogas, etc., which pose the threat of poisoning or hypoxia to construction workers. Secondly, there will be flammable gases in these working environments, including: methane, natural gas, hydrogen, volatile organic compounds, etc. In addition, working spaces that are too cold, too hot, and humid may cause harm to personnel. Long-term construction operations may cause physical exhaustion of workers due to freezing, heat, and damp. Working in special areas with wet and slippery surfaces is more dangerous for people to fall, bump, etc. Therefore, these special areas of operation are either limited in space or have potential safety hazards, making it inconvenient for large machinery or construction personnel to operate, resulting in low operating efficiency and prone to accidents, such as granaries, cellars, biogas digesters, urban sewers, etc. For these special operation fields, if a convenient and fast data acquisition terminal can be invented, it is necessary to ensure operation efficiency and improve operation safety. At present, there have been devices that can collect multiple data at the same time in the domestic and foreign markets. However, most of these products have disadvantages such as expensive, cumbersome operations, single applicable scenarios, and incomplete functions. Design a multi-functional terminal that can be adapted to a variety of special construction fields, with versatility, convenience, low power consumption, and easy operability to cope with complex application scenarios, and monitor data by wired communication and wireless communication Sending data is a very practical problem.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art and provide a multifunctional parallel data acquisition device to provide a multifunctional parallel data acquisition terminal that is easy to operate and capable of data monitoring, transmission and sending, and is suitable for multiple This kind of special operation field can provide users with fault location function, improve work efficiency and ensure construction safety.

The utility model is achieved through the following technical solutions:

The utility model provides a multifunctional parallel data acquisition device. The device takes a control unit as the core and is equipped with a touch display circuit, a storage unit, a system clock circuit, a button circuit, a power management circuit, a temperature, Humidity sensor circuit and communication circuit, wherein:

The control unit includes a minimum system composed of a single-chip microcomputer and its peripheral oscillation circuit;

The touch display screen circuit includes a touch display screen, a logic switch chip and its corresponding peripheral circuits, wherein the data interface and control interface of the touch display screen are connected to the I/O interface of the single-chip microcomputer, and the I/O interface of the logic switch chip is connected to the touch display screen connection;

Described memory unit comprises SD memory card and corresponding peripheral circuit thereof, wherein, the data interface of SD memory card and read-write control interface are respectively connected to the serial data interface of single-chip microcomputer and general I/O interface;

The system clock circuit includes a clock chip and peripheral circuits thereof, wherein the interfaces of the clock chip are respectively connected to the general I/O interfaces of the single-chip microcomputer;

The signal output end of the button circuit is connected with the general I/O interface of the single-chip microcomputer;

The power management circuit includes a battery charge management circuit, a voltage boost circuit and a voltage drop circuit, wherein the input end of the battery charge management circuit is connected to an external computer USB interface or a 5V voltage output device, and the voltage boost circuit and the voltage drop circuit The input terminals of the booster circuit are respectively connected to the battery charging management circuit, the output terminal of the boost circuit is connected to the power supply I/O interface of the communication circuit, and the output terminal of the step-down circuit is connected to the power supply terminal of the control unit; the power management module's The design can meet the power management requirements such as device charging and battery remaining monitoring under different usage conditions;

Described temperature, humidity sensor circuit comprise temperature sensor array circuit and digital humidity sensor chip circuit, wherein, the output terminal of temperature sensor is connected to the I/O interface with A/D conversion function of single-chip microcomputer, digital humidity sensor chip circuit digital signal output The terminal is connected to the I/O interface of the microcontroller;

The communication circuit includes a USB communication circuit and a GSM communication circuit, and the serial data interfaces of the USB communication circuit and the GSM communication circuit are respectively connected to the serial data I/O interface of the single-chip microcomputer.

The control unit includes a minimum system consisting of a single-chip microcomputer ATmega128L and its peripheral oscillation circuit.

The GSM communication module is one or more of serial port communication module, 2G/3G/4G communication module, GPRS communication module, ZigBee communication module, WIFI communication module and Bluetooth communication module.

The multifunctional parallel data acquisition device also includes one or more of a methane sensor, a carbon dioxide sensor, and an air pressure sensor, and the signal input ends of the methane sensor, carbon dioxide sensor, and air pressure sensor are connected to the central processing module through a universal serial bus .

Compared with the prior art, the utility model has the following advantages: the utility model provides a multifunctional parallel data acquisition device, which adopts the mode of parallel data acquisition and transmission, which reduces the deviation generated in the data transmission process and improves the The reliability of the system, at the same time, the device integrates data display, storage, and viewing, and has rich functions; the device combines wired and wireless information collection technology, and has a wider range of use, high versatility, low power consumption, and easy operation. Low price and other advantages, can be adapted to a variety of complex data acquisition sites, has a certain practical value.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the utility model multifunctional parallel data acquisition device;

2 is a schematic diagram of the circuit structure of the control unit;

Fig. 3 is a structural schematic diagram of a touch display screen circuit;

4 is a schematic diagram of a circuit structure of a storage unit;

FIG. 5 is a schematic structural diagram of a system clock circuit;

Fig. 6 is a structural schematic diagram of a button circuit;

7 is a schematic structural diagram of a battery charging management circuit;

FIG. 8 is a schematic structural diagram of a boost circuit;

FIG. 9 is a schematic structural diagram of a step-down circuit;

Fig. 10 is a structural schematic diagram of a temperature sensor array circuit;

Fig. 11 is the structural representation of digital humidity sensor chip circuit;

12 is a schematic structural diagram of a USB communication circuit;

FIG. 13 is a schematic structural diagram of a GSM communication circuit.

detailed description

The following is a detailed description of the embodiments of the present utility model. This embodiment is implemented on the premise of the technical solution of the present utility model, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present utility model is not limited to the following the described embodiment.

Example 1

This embodiment provides a multifunctional parallel data acquisition device, which has a structure as shown in Figure 1-13, including a control unit, a touch display circuit connected to the control unit, a storage unit, a system clock circuit, a key circuit, Power management circuits, temperature and humidity sensor circuits, and communication circuits, of which:

As shown in Figure 2, described control unit comprises the minimum system that the single-chip microcomputer of model ATmega128L and its peripheral oscillating circuit form;

As shown in Figure 3, the touch screen circuit includes a touch screen, a 74HC4052 logic switch chip and its corresponding peripheral circuits, wherein the data interface and control interface of the touch screen are connected to the I/O interface of the single-chip microcomputer, and the I/O interface of the 74HC4052 The O interface is connected with the touch screen;

As shown in Figure 4, described storage unit comprises SD memory card and corresponding peripheral circuit thereof, wherein, the data interface of SD memory card and read-write control interface are respectively connected to the serial data interface of single-chip microcomputer and general I/O interface;

As shown in Figure 5, the system clock circuit includes a DS1302 clock chip and its peripheral circuits, wherein the clock interface, I/O interface and reset interface of the DS1302 are connected with the general I/O interfaces A0, A1, and A2 of the single-chip microcomputer respectively;

As shown in Figure 6, the signal output end of described button circuit is connected with the general I/O interface PA3, PA4, PA5, PA6 of single-chip microcomputer;

The power management circuit includes a battery charging management circuit, a boost circuit and a step-down circuit, wherein, as shown in FIG. 7 , the battery charging management circuit includes a battery charging circuit composed of a CN3052 lithium battery charging management chip and its peripheral circuits and The polymer lithium battery connected to the output end of the battery charging circuit, the input end of the battery charging management circuit is connected to an external computer USB interface or a 5V voltage output device; as shown in Figure 8, the boost circuit is a BOOST synchronous boost control circuit , its input end is connected with the polymer lithium battery, and its output end is connected with the power supply I/O interface of the communication circuit; , the output terminal is connected to the power supply pins VCC, GND of the control unit and the A/D conversion reference voltage pins AVCC, AGND; the design of the power management circuit can meet the power management requirements such as charging and battery remaining monitoring of the device under different usage conditions .

As shown in Figures 10 and 11, the temperature and humidity sensor circuit includes a temperature sensor array circuit and a digital humidity sensor chip circuit, wherein the output end of the temperature sensor is connected to the I/O interface with the A/D conversion function of the single-chip microcomputer, The digital signal output end of the digital humidity sensor chip circuit is connected to the I/O interface of the single-chip microcomputer;

As shown in Figures 12 and 13, the communication circuit includes a USB communication circuit and a GSM communication circuit, wherein the USB communication circuit includes a CP2102 driver chip and a USB interface circuit, and the USB interface circuit is connected through a serial connection between the CP2102 driver chip and a single chip microcomputer. Line data I/O interface RXD0-128, TXD0-128 are connected; The GSM communication circuit is a GPRS communication module composed of a SIM300 chip and its peripheral circuits, and the signal receiving and receiving ends RXD and TXD of the SIM300 chip are connected to the serial connection of the single-chip microcomputer respectively. Line data I/O interface RXD1-128, TXD1-128 connection, described GSM communication circuit also can be a kind of in serial communication module, 2G/3G/4G communication module, ZigBee communication module, WIFI communication module and bluetooth communication module or more.

The multifunctional parallel data acquisition device may also include one or more of a methane sensor, a carbon dioxide sensor and an air pressure sensor, and the signal input terminals of the methane sensor, carbon dioxide sensor and air pressure sensor are connected with a single-chip microcomputer through a universal serial bus, It is used to collect data such as methane, carbon dioxide, and air pressure.

Claims (3)

1. A multifunctional parallel data acquisition device, characterized in that, the device takes a control unit as the core, and is equipped with a touch screen circuit connected to the control unit, a storage unit, a system clock circuit, a button circuit, a power management circuit, a temperature , humidity sensor circuit and communication circuit, wherein: The control unit includes a minimum system composed of a single-chip microcomputer and its peripheral oscillation circuit; The touch display screen circuit includes a touch display screen, a logic switch chip and its corresponding peripheral circuits, wherein the data interface and control interface of the touch display screen are connected to the I/O interface of the single-chip microcomputer, and the I/O interface of the logic switch chip is connected to the touch display screen connection; Described memory unit comprises SD memory card and corresponding peripheral circuit thereof, wherein, the data interface of SD memory card and read-write control interface are respectively connected to the serial data interface of single-chip microcomputer and general I/O interface; The system clock circuit includes a clock chip and peripheral circuits thereof, wherein the interfaces of the clock chip are respectively connected to the general I/O interfaces of the single-chip microcomputer; The signal output end of the button circuit is connected with the general I/O interface of the single-chip microcomputer; The power management circuit includes a battery charge management circuit, a voltage boost circuit and a voltage drop circuit, wherein the input end of the battery charge management circuit is connected to an external computer USB interface or a 5V voltage output device, and the voltage boost circuit and the voltage drop circuit The input terminals of the voltage boosting circuit are respectively connected to the battery charging management circuit, the output terminal of the boost circuit is connected to the power supply I/O interface of the communication circuit, and the output terminal of the voltage reducing circuit is connected to the power supply terminal of the control unit; Described temperature, humidity sensor circuit comprise temperature sensor array circuit and digital humidity sensor chip circuit, wherein, the output terminal of temperature sensor is connected to the I/O interface with A/D conversion function of single-chip microcomputer, digital humidity sensor chip circuit digital signal output The terminal is connected to the I/O interface of the microcontroller; The communication circuit includes a USB communication circuit and a GSM communication circuit, and the serial data interfaces of the USB communication circuit and the GSM communication circuit are respectively connected to the serial data I/O interface of the single-chip microcomputer. 2. a kind of multifunctional parallel data acquisition device according to claim 1, is characterized in that, described control unit comprises the minimum system that the single-chip microcomputer of model ATmega128L and its peripheral oscillating circuit form. 3. a kind of multifunctional parallel data acquisition device according to claim 1, is characterized in that, described GSM communication module is serial port communication module, 2G/3G/4G communication module, GPRS communication module, ZigBee communication module, WIFI communication module One or more of modules and Bluetooth communication modules.